Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 109, NWS Cleveland, OH

July 4, 2012Ashtabula County, Geauga County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 4, 2012, 9:20 PM EDT for Ashtabula County, Geauga County, Trumbull County, Ohio. It was in force for 55 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 4, 2012, 9:20 PM EDT (01:20 UTC)
Expired
Jul 4, 2012, 10:15 PM EDT
In force
55 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

Counties Ashtabula County, OH, Geauga County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 65 km from the middle of the area, began a volume at 01:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 4, 9:22 PM EDTHAIL 0.88Huntsburg, OH
Jul 4, 9:25 PM EDTHAIL 0.88Cortland, OH
Jul 4, 9:43 PM EDTHAIL 14 Ne Johnston, OH
Jul 4, 9:46 PM EDTHAIL 1Howland Center, OH

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.3 hours before the alert went out and 147 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 2012-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1419 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1419 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
2023 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

736 
WUUS51 KCLE 050120
SVRCLE
OHC007-055-155-050215-
/O.NEW.KCLE.SV.W.0109.120705T0120Z-120705T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
920 PM EDT WED JUL 4 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ASHTABULA COUNTY IN NORTHEAST OHIO
  GEAUGA COUNTY IN NORTHEAST OHIO
  TRUMBULL COUNTY IN NORTHEAST OHIO

* UNTIL 1015 PM EDT

* AT 915 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM WEST FARMINGTON TO NORTH       
  BLOOMFIELD TO ORWELL...AND MOVING EAST AT 20 MPH. ANOTHER SEVERE   
  THUNDERSTORM WAS ALSO LOCATED NEAR CHARDON MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JEFFERSON...
  WARREN...
  LORDSTOWN...
  BRISTOLVILLE...
  NILES...
  ANDOVER...
  CHARDON...
  MIDDLEFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4182 8052 4114 8051 4113 8100 4135 8101
      4135 8139 4143 8139 4143 8138 4145 8139
      4156 8139 4157 8130 4164 8128 4164 8111
      4168 8110
TIME...MOT...LOC 0119Z 256DEG 17KT 4139 8097 4145 8085
          4153 8076

$$

ABE
2 follow-up statements
133 
WWUS51 KCLE 050137
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
937 PM EDT WED JUL 4 2012

OHC007-055-155-050215-
/O.CON.KCLE.SV.W.0109.000000T0000Z-120705T0215Z/
TRUMBULL OH-GEAUGA OH-ASHTABULA OH-
937 PM EDT WED JUL 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR SOUTHERN ASHTABULA...GEAUGA AND TRUMBULL COUNTIES...

AT 931 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CHAMPION HEIGHTS TO CORTLAND TO
KINSMAN...MOVING EAST AT 20 MPH.

ALSO...AT 931 PM EDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM SOUTHEAST OF CHARDON AND JUST NORTH OF MIDDLEFIELD 
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS 
OF 60 MPH. THIS STORM WAS MOVING SOUTHEAST AROUND 20 MPH.

LOCATIONS NEAR THE PATH OF SEVERE THUNDERSTORMS INCLUDE...CORTLAND...
WARREN...KINSMAN...ANDOVER...HOWLAND CENTER...VIENNA AND 
ORANGEVILLE...BURTON...MIDDLEFIELD....AND WEST FARMINGTON.

LAT...LON 4182 8052 4114 8051 4113 8100 4135 8101
      4135 8139 4143 8139 4143 8138 4145 8139
      4156 8139 4157 8130 4164 8128 4164 8111
      4168 8110
TIME...MOT...LOC 0134Z 276DEG 17KT 4127 8089 4133 8077
          4146 8069

$$

ABE
701 
WWUS51 KCLE 050216
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1016 PM EDT WED JUL 4 2012

OHC007-055-155-050225-
/O.EXP.KCLE.SV.W.0109.000000T0000Z-120705T0215Z/
TRUMBULL OH-GEAUGA OH-ASHTABULA OH-
1016 PM EDT WED JUL 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ASHTABULA...GEAUGA
AND TRUMBULL COUNTIES EXPIRES AT 1015 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. 

A STRONG STORM OVER SOUTHWEST TRUMBULL COUNTY NEAR NEWTON FALLS WILL 
CONTINUE MOVING SOUTHEAST INTO MAHONING COUNTY THROUGH 1030 PM. 
GUSTY WINDS TO 50 MPH AND SMALL HAIL WILL BE POSSIBLE AS THIS STORM 
PASSES THE AREA.

LAT...LON 4182 8052 4114 8051 4113 8100 4135 8101
      4135 8139 4143 8139 4143 8138 4145 8139
      4156 8139 4157 8130 4164 8128 4164 8111
      4168 8110
TIME...MOT...LOC 0215Z 276DEG 17KT 4125 8063 4131 8051
          4144 8043

$$

ABE

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 8:03 PM EDTSevere Thunderstorm WarningCLEErie, Huron, Ottawa, Sandusky, Seneca49 min
Jul 4, 8:08 PM EDTFlash Flood WarningCLEErie, Lucas, Ottawa, Sandusky106 min
Jul 4, 8:50 PM EDTSevere Thunderstorm WarningCLEHancock, Marion, Wyandot70 min
Jul 4, 9:08 PM EDTSevere Thunderstorm WarningCLEAshland, Richland82 min
Jul 4, 9:14 PM EDTFlash Flood WarningCLEHancock, Marion, Wyandot102 min
Jul 4, 9:31 PM EDTSevere Thunderstorm WarningCLEMedina, Portage, Summit59 min
Jul 4, 9:50 PM EDTSevere Thunderstorm WarningCLEHolmes, Knox55 min
Jul 4, 9:57 PM EDTSevere Thunderstorm WarningCLEMahoning, Stark63 min
Jul 4, 10:46 PM EDTSevere Thunderstorm WarningCLEKnox29 min
Jul 5, 3:45 AM EDTHeat AdvisoryCLEAshland, Crawford, Erie, Hancock, Holmes, Huron and 18 more15 hr
Jul 5, 4:48 AM EDTSpecial Marine WarningCLE117 min
Jul 5, 6:06 AM EDTSevere Thunderstorm WarningCLECuyahoga, Erie, Lorain, Ottawa, Sandusky69 min
Jul 5, 6:36 AM EDTSevere Thunderstorm WarningCLEGeauga, Lake54 min
Jul 5, 6:41 AM EDTSevere Thunderstorm WarningCLELorain, Medina, Summit79 min
Jul 5, 6:49 AM EDTSpecial Marine WarningCLE116 min
Jul 5, 6:53 AM EDTSevere Thunderstorm WarningCLEHuron43 min
Jul 5, 7:09 AM EDTSevere Thunderstorm WarningCLEAshland, Wayne51 min
Jul 5, 7:12 AM EDTSevere Thunderstorm WarningCLEPortage63 min
Jul 5, 8:03 AM EDTAreal Flood AdvisoryCLEMorrow3 hr
Jul 5, 8:34 AM EDTFlash Flood WarningCLEMorrow6 hr
Jul 5, 8:41 AM EDTAreal Flood AdvisoryCLEAshland, Knox, Richland5 hr
Jul 5, 3:19 PM EDTSevere Thunderstorm WarningCLELucas, Wood56 min
Jul 5, 3:28 PM EDTExcessive Heat WarningCLEAshland, Crawford, Erie, Hancock, Holmes, Huron and 15 more30 hr
Jul 5, 3:28 PM EDTHeat AdvisoryCLEAshtabula, Cuyahoga, Geauga, Lake, Mahoning, Portage and 1 more30 hr
Jul 5, 5:01 PM EDTSevere Thunderstorm WarningCLEHancock, Wyandot59 min
Jul 5, 7:04 PM EDTSevere Thunderstorm WarningCLEMarion30 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.